On Tue, May 01, 2018 at 11:13:20PM -0700, Yongseok Koh wrote:
> rte_eth_devices[] is not shared between primary and secondary process, but
> a static array to each process. The backward pointer of device (priv->dev)
> must be reset when a secondary process attaches to a device.
>
> Fixes: f8b9a3bad467 ("net/mlx5: install a socket to exchange a file
> descriptor")
> Cc: [email protected]
>
> Signed-off-by: Yongseok Koh <[email protected]>
Acked-by: Nelio Laranjeiro <[email protected]>
> ---
> drivers/net/mlx5/mlx5.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
> index 8f983061a..f606e3dd4 100644
> --- a/drivers/net/mlx5/mlx5.c
> +++ b/drivers/net/mlx5/mlx5.c
> @@ -799,6 +799,12 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv
> __rte_unused,
> }
> eth_dev->device = &pci_dev->device;
> eth_dev->dev_ops = &mlx5_dev_sec_ops;
> + /*
> + * rte_eth_devices[] is not shared but static to each
> + * process. The backward pointer should be reset.
> + */
> + priv = eth_dev->data->dev_private;
> + priv->dev = eth_dev;
> err = mlx5_uar_init_secondary(eth_dev);
> if (err)
> goto error;
> --
> 2.11.0
>
--
Nélio Laranjeiro
6WIND
